Despite the simplicity of the basic SOAP wrapper, it offers the potential for unlimited extensions by using an optional component called the header. 尽管基本的SOAP包装非常简单,但是通过使用称为Header的可选组件,它提供了不受限制的扩展能力。
Students should be able to identify and describe the basic function of each component of a packet : header, data and trailer. 1学生应能辨识及描述数据包各部件,包括表头、数据及表尾的基本功能。
This component was used to specify the HTTP header values required by the middleware. 该组件用于指定中间件所需要的HTTP头的值。
The origin server specifies the component's ETag using the ETag response header. 原始服务器通过含有ETag文件头的响应指定页面内容的ETag。
The facade component queries the HTTP request's Accept header field to determine the desired response format for the client and then serve the resource in the desired format. Facade组件查询HTTP请求的AcceptHeader字段来确定客户机所需的响应格式,并随后以所需的格式提供资源。